Multiple Questions Answers

1. A conductor that's described as a 750 MCM wire has an area of 
A. 750 cmils. 
B. 750 kcmils. 
C. 750 in2. 
D. 750,000 kcmils. 

2. What size copper wire should be used for a 125 ft, 15 A branch circuit if a maximum voltage drop of 3.2 V is allowed?
A. No. 14 
B. No. 12 
C. No. 10 
D. No. 8 

3. The calculation used to determine amperage of a conductor based on the total number of conductors in a conduit is called
A. derating. 
B. voltage drop. 
C. conduit fill. 
D. conductor fill. 

4. Ideally, NM or armored cable should be installed in a wall stud at least how far back from the front edge of the stud?
A. 3/4 in. 
B. 1 in. 
C. 11/4 in. 
D. 11/2 in.